Q: What are the prime factors of the number 910,624?

 A: 2, 11, 13, 199

Why are those the prime factors of the number 910,624?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 910,624

910,624
Factor Arrows
2455,312
Factor Arrows
2227,656
Factor Arrows
2113,828
Factor Arrows
256,914
Factor Arrows
228,457
Factor Arrows
112,587
Factor Arrows
13199

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 11, 13, 199

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 11 x 13 x 199 = 910,624

This can also be written as 25 x 111 x 131 x 1991 = 910,624

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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